Meet L'Oreal's deconstructing definition paste. Break the hair styling rules with this enticing matte effect definition hair paste. Perfect for creating deconstructed separation and definition of your style. L'Oreal's unique formula is designed to work best on hair shorter than 10 cm long. Heat a small amount of product between your hands and apply to towel-dried or dry hair, using your fingers to define sections. This is a perfect product for short hair styles.